135647946 has 56 divisors (see below), whose sum is σ = 348675744. Its totient is φ = 38753640.

The previous prime is 135647933. The next prime is 135647989. The reversal of 135647946 is 649746531.

135647946 is a `hidden beast` number, since 13 + 564 + 79 + 4 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3561 + ... + 16851.

Almost surely, 2^135647946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135647946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174337872).

135647946 is an abundant number, since it is smaller than the sum of its proper divisors (213027798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135647946 is an equidigital number, since it uses as much as digits as its factorization.

135647946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13318 (or 13303 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 135647946 is about 11646.7998179758. The cubic root of 135647946 is about 513.8121945057.

The spelling of 135647946 in words is "one hundred thirty-five million, six hundred forty-seven thousand, nine hundred forty-six".